KRT: Forbid path merging on BSD

[thirdparty/bird.git] / sysdep / unix / krt.Y

diff --git a/sysdep/unix/krt.Y b/sysdep/unix/krt.Y
index 18e1e52ddd57a32631a64bca490ffbecb9945473..2ef6e3c4c6b31454bbc205ff7c7761a8e01ecfa7 100644 (file)
--- a/sysdep/unix/krt.Y
+++ b/sysdep/unix/krt.Y
@@ -17,7 +17,9 @@ CF_DEFINES
 
 CF_DECLS
 
-CF_KEYWORDS(KERNEL, PERSIST, SCAN, TIME, LEARN, DEVICE, ROUTES)
+CF_KEYWORDS(KERNEL, PERSIST, SCAN, TIME, LEARN, DEVICE, ROUTES, GRACEFUL, RESTART, KRT_SOURCE, KRT_METRIC, MERGE, PATHS)
+
+%type <i> kern_mp_limit
 
 CF_GRAMMAR
 
@@ -25,23 +27,18 @@ CF_GRAMMAR
 
 CF_ADDTO(proto, kern_proto '}')
 
-kern_proto_start: proto_start KERNEL {
-#ifndef CONFIG_MULTIPLE_TABLES
-     if (cf_krt)
-       cf_error("Kernel protocol already defined");
-#endif
-     cf_krt = this_proto = proto_config_new(&proto_unix_kernel, sizeof(struct krt_config), $1);
-     THIS_KRT->scan_time = 60;
-     THIS_KRT->learn = THIS_KRT->persist = 0;
-     krt_scan_construct(THIS_KRT);
-     krt_set_construct(THIS_KRT);
-   }
+kern_proto_start: proto_start KERNEL { this_proto = krt_init_config($1); }
  ;
 
 CF_ADDTO(kern_proto, kern_proto_start proto_name '{')
 CF_ADDTO(kern_proto, kern_proto proto_item ';')
 CF_ADDTO(kern_proto, kern_proto kern_item ';')
 
+kern_mp_limit:
+   /* empty */ { $$ = KRT_DEFAULT_ECMP_LIMIT; }
+ | LIMIT expr  { $$ = $2; if (($2 <= 0) || ($2 > 255)) cf_error("Merge paths limit must be in range 1-255"); }
+ ;
+
 kern_item:
    PERSIST bool { THIS_KRT->persist = $2; }
  | SCAN TIME expr {
@@ -52,24 +49,25 @@ kern_item:
       THIS_KRT->learn = $2;
 #ifndef KRT_ALLOW_LEARN
       if ($2)
-       cf_error("Learning of kernel routes not supported in this configuration");
+       cf_error("Learning of kernel routes not supported on this platform");
 #endif
    }
  | DEVICE ROUTES bool { THIS_KRT->devroutes = $3; }
+ | GRACEFUL RESTART bool { THIS_KRT->graceful_restart = $3; }
+ | MERGE PATHS bool kern_mp_limit {
+      THIS_KRT->merge_paths = $3 ? $4 : 0;
+#ifndef KRT_ALLOW_LEARN
+      if ($3)
+       cf_error("Path merging not supported on this platform");
+#endif
+   }
  ;
 
 /* Kernel interface protocol */
 
 CF_ADDTO(proto, kif_proto '}')
 
-kif_proto_start: proto_start DEVICE {
-     if (cf_kif)
-       cf_error("Kernel device protocol already defined");
-     cf_kif = this_proto = proto_config_new(&proto_unix_iface, sizeof(struct kif_config), $1);
-     THIS_KIF->scan_time = 60;
-     init_list(&THIS_KIF->primary);
-     krt_if_construct(THIS_KIF);
-   }
+kif_proto_start: proto_start DEVICE { this_proto = kif_init_config($1); }
  ;
 
 CF_ADDTO(kif_proto, kif_proto_start proto_name '{')
@@ -90,6 +88,9 @@ kif_item:
    }
  ;
 
+CF_ADDTO(dynamic_attr, KRT_SOURCE { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_KRT_SOURCE); })
+CF_ADDTO(dynamic_attr, KRT_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_KRT_METRIC); })
+
 CF_CODE
 
 CF_END